Dakiya invested $60,000 in a partnership with Nate, Neo, Cori, Taylor, and Demetria. The total investment of all partners was $320,000. What percent of the business does Dakiya own?

Can someone plz me understand how to do these. plz, show work.in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]